Availability
Rocker Arm Nuts, Polylock, Full Roller, 3/8 in.-24 Thread, 0.600 in. Shank Diameter, 1.190 in. Length, Each
Part Number: HRS-90034
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Distributor Gear, Steel, 0.500 in. Diameter Shaft, Chevy, Big/Small Block, Each
Part Number: HRS-94409
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Pushrod, Swedged End, Chromoly, 5/16 in. Diameter, 3/8 in. Ball/Ball Ends, 7.750 in. Length, Set of 8
Part Number: HRS-95103
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Spring Tester, 0-1000 psi
Part Number: HRS-92169
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Locks, Forged Steel, 7 Degree, 1-Groove, 3/8 in. Valve Stem, +.050 in. Height, Set of 32
Part Number: HRS-93015
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Locks, Stamped Steel, 7 Degree, 1-Groove, 3/8 in. Valve Stem, Set of 32
Part Number: HRS-93045
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Seal, 8mm x .500"
Part Number: HRS-93380
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Rocker, SB Chev, 1.6 x 3/8"
Part Number: HRS-90046-8
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Rocker Arms, Stud Mount, Full Roller, Aluminum, 1.7 Ratio, Fits 7/16 in. Stud, Chevy, 396-454, V8, Each
Part Number: HRS-90075-1
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Rocker Arms, Stud Mount, Full Roller, Aluminum, 1.72 Ratio, Fits 7/16 in. Stud, Ford, 289-351, V8, Set of 16
Part Number: HRS-90082
Estimated Ship Date: Today
Estimated Ship Date: Today
Rocker Arm Nuts, Polylock, Stud Girdle Replacement, Full Roller, 3/8 in.-24 Thread, 0.550 in. Shank Diameter, 2.00 Length, Each
Part Number: HRS-90125-1
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Rev Kit, Locator Bars, Springs, Lifter Buttons, Chevy, Small Block, Use With Retrofit Hyd. Roller Lifters, Kit
Part Number: HRS-90131
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Rev Kit, Locator Bars, Springs, Lifter Buttons, Chevy, Small Block, Use With Flat Top Mechanical Lifters, Kit
Part Number: HRS-90130
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Pushrods, Chromoly, 5/16 in. Diameter, 8.000 in. Length, Universal, Set of 16
Part Number: HRS-95014
Estimated Ship Date: Jan 19, 2026 if ordered today
Estimated Ship Date: Jan 19, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Pushrods, 210 Swedged End Pushrods, 5/16 in. Diameter, 7.950 in. Length, Ball/Ball Ends, Set of 16
Part Number: HRS-95313-16
Not Yet Reviewed
Estimated Ship Date: Jan 19, 2026 if ordered today
Estimated Ship Date: Jan 19, 2026 if ordered today
Connecting Rod, 4340 Steel, H-Beam, Natural, 6 in., Chevy, Small Block, Set of 8
Part Number: HRS-TS60002100
Estimated Ship Date: Jan 19, 2026 if ordered today
Estimated Ship Date: Jan 19, 2026 if ordered today
Valve Spring, Dual, 1.540 in. Outside Diameter, 413 lbs./in. Rate, 1.100 in. Coil Bind Height, Each
Part Number: HRS-98632-1
Not Yet Reviewed
Estimated Ship Date: Jan 19, 2026 if ordered today
Estimated Ship Date: Jan 19, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Rocker Arm Stud Girdles, Maximum Effort, Clamp-On, 0.550 in. Minimum Rocker Slot Width, Aluminum, Purple Anodized, Chevrolet, Big Block Mark IV, Pair
Part Number: HRS-90121X
Not Yet Reviewed
Estimated Ship Date: Jan 19, 2026 if ordered today
Estimated Ship Date: Jan 19, 2026 if ordered today
Assembly Lubricant, Extreme Pressure, .5 oz. Each
Part Number: HRS-99007
Cannot be shipped Internationally
Cannot be shipped Internationally
Decals and Stickers, Decal
Part Number: HRS-DECAL-RTLR
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Timing Chain and Gear Set, Double Roller, Billet Steel Sprockets, Chevy, Big Block V8, Set
Part Number: HRS-94305-10
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Pushrod, Performance Series, 5/16 in. Diameter, 7.900 in. Length, Ball/Ball Ends, Each
Part Number: HRS-95207-1
Estimated Ship Date: Today
Estimated Ship Date: Today
Lifter, OE Style, Hydraulic Roller, Chevy, LS, Each
Part Number: HRS-91174-1
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Pushrod, Steel, 5/16 in. Diameter, 8.000 Length, Ball/Ball Ends, Each
Part Number: HRS-95209-1
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Springs, Dual, Hydraulic Flat Tappet, 1.435 in. O.D., 1.120 in. Coil Bind Height, .530 Max Lift, Set of 16
Part Number: HRS-98436
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
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